Web Key Directory handling of IDN

Werner Koch wk at gnupg.org
Mon Nov 7 08:19:47 CET 2016

On Sun,  6 Nov 2016 13:47, Juergen.Schaepker at giepa.de said:

> The local-part contains UTF-8 as well and isn't normalized (with e.g. 
> ToASCII) in the current draft. This automatically leads to ambiguity for 
> non-ASCII I'd think.

The rules on how to lowercase UTF-8 are pretty complex and chnage from
time to time.  Thus they are not mapped:

  all upper-case ASCII characters in a User ID are mapped to lowercase.
  Non-ASCII characters are not changed.

ASCII means all bytes with bit 7 cleared.



Die Gedanken sind frei.  Ausnahmen regelt ein Bundesgesetz.
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